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The Underdwellers 

Batman discovers a subterranean colony of children in the sewer system dominated by the insane Sewer King.


Frank Paur


Tom Ruegger (story by), Jules Dennis (teleplay) | 3 more credits »




Episode cast overview:
Kevin Conroy ... Batman / Bruce Wayne / Cop (voice)
Efrem Zimbalist Jr. ... Alfred Pennyworth (voice)
Victoria Carroll ... Matron (voice)
Michael Pataki ... Sewer King (voice)


Batman discovers a subterranean colony of children in the sewer system dominated by the insane Sewer King.

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TV-PG | See all certifications »

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Release Date:

21 October 1992 (USA) See more »

Company Credits

Production Co:

Warner Bros. Animation See more »
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Technical Specs


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Did You Know?


The villains of this episode seem to draw heavily from the X-Men's 'Morlocks' - a group of mutants who live in the sewers and resort to thievery - among other activities - to survive. The main difference being that the Morlocks acted as a family of sorts who did what they had to survive without fully understanding their actions as bad vs good whereas the Sewer King enslaved children to do his bidding while fully understanding that his actions were immoral. See more »


When the Sewer King grabs a child and accuses him of "talking," he leads the child (wearing a white shirt and blue shorts) to lock him in the room with the lights in it. The child that had cried out (due to injury) had been wearing all orange. The boy in the blue and white clothes was the one who wrapped his ankle. See more »


Sewer King: And after all I've done for you ungrateful little monsters, I took you in when nobody else would have you! It is I who care for you, I who provide for you, and only I who knows what's good for you! Would you rather I send you back into the light? Back to those who hurt you and sent you away? There will be nothing to eat until Frog is found! Now, out with you! OUT WITH YOU!
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Batman The Animated Series
Written by Danny Elfman & Shirley Walker
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User Reviews

The 'Sewer King' And His kids
30 June 2007 | by ccthemovieman-1See all my reviews

The villains in this story are leprechauns. Well, not really, that's what some old lady said when some little kid dressed in green steals her purse at the beginning of the episode. Actually, the kids are known as "underdwellers," and they are not the villains, just captives of an evil man called "The Sewer King."

The kids, supposedly, were unwanted above ground and so he keeps them as his slaves, sending them up only to steal things. He and his "children" are protected by his "pretties" - gigantic alligators.

That's really the only intense part of this episode: Batman having to deal with these over-sized, hungry reptiles.

Some humor comes in earlier on when Batman captures one of these green-clad kids and poor Alfred attempts to feed and bathe the unruly kid

Other highlights: "You play chicken long enough, you fry," Batman tells two teens who were playing "chicken" on top of an el-train.

Once again, perhaps because the story wasn't as strong as in the first five episodes I watched (the DVD isn't in the same order as the episodes listed here), I paid more attention to the great '40s artwork. I just love the automobiles and Deco art style in which this stories are drawn. I do appreciate the artists who produced this fine series. It's a big reason I am entertained more with these than any other animated series I've seen,, whether action or comedy.

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